CVE-2023-5255 Denial of Service for Revocation of Auto Renewed Certificates

Medium 4.4 Published Updated

Attackers can cause denial of service by preventing the revocation of auto-renewed certificates in Puppet Server.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-5255?

CVE-2023-5255 is a medium-severity denial of service vulnerability in Puppet Puppet Enterprise, published on 3 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

For certificates that utilize the auto-renew feature in Puppet Server, a flaw exists which prevents the certificates from being revoked.

Weakness: CWE-404

Which versions are affected by CVE-2023-5255?

It affects 2 products.

Products include Puppet Puppet Enterprise, Puppet Puppet Server.

How do I fix CVE-2023-5255?

No fix has been published for CVE-2023-5255 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-5255 being exploited?

There is no known exploitation of CVE-2023-5255 in the wild and no public exploit code.

All Puppet Puppet Enterprise vulnerabilities

Sources

Also known as GHSA-q3vx-5wxp-g986, UBUNTU-CVE-2023-5255.

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